Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8936444 | Capacitive liquid level sensor | Melissa Drechsel, Shawn Rediske, Ronald J. Pulvermacher | 2015-01-20 |
| 5382889 | Self-commutating, back-EMF sensing, brushless DC motor controller | Jeff Harth | 1995-01-17 |
| 5298838 | Sensorless brushless DC motor starting system and method | Jeff Harth | 1994-03-29 |
| 5202614 | Self-commutating, back-EMF sensing, brushless DC motor controller | Jeff Harth | 1993-04-13 |
| 5202616 | Bipolar or unipolar drive back-EMF commutation sensing method | Jeff Harth | 1993-04-13 |